>1YFN_1|Chains A, B, C, D|Stringent starvation protein B|Escherichia coli (562)
MDLSQLTPRRPYLLRAFYEWLLDNQLTPHLVVDVTLPGVQVPMEYARDGQIVLNIAPRAVGNLELANDEVRFNARFGGIPRQVSVPLAAVLAIYARENGAGTMFEPEAAYDEDTSIMN
>1YFN_2|Chains E, F, G, H|Sigma-E factor negative regulatory protein|null
EAQPAPHQWQKMPFWQKVRPWAAQLTQMGVAA